From 39633a0f0992fa173aa9f30bb58228bac10188cd Mon Sep 17 00:00:00 2001 From: Mathieu Lacage Date: Tue, 31 Jul 2007 11:42:25 +0200 Subject: [PATCH] packet socket address --- src/node/packet-socket-address.cc | 113 ++++++++++++++++++++++++++++++ src/node/packet-socket-address.h | 71 +++++++++++++++++++ 2 files changed, 184 insertions(+) create mode 100644 src/node/packet-socket-address.cc create mode 100644 src/node/packet-socket-address.h diff --git a/src/node/packet-socket-address.cc b/src/node/packet-socket-address.cc new file mode 100644 index 000000000..2d2288fca --- /dev/null +++ b/src/node/packet-socket-address.cc @@ -0,0 +1,113 @@ +/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */ +/* + * Copyright (c) 2007 INRIA + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation; + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * Author: Mathieu Lacage + */ +#include "packet-socket-address.h" +#include "net-device.h" + +namespace ns3 { + +PacketSocketAddress::PacketSocketAddress () +{} +void +PacketSocketAddress::SetProtocol (uint16_t protocol) +{ + m_protocol = protocol; +} +void +PacketSocketAddress::SetDevice (uint32_t index) +{ + m_device = index; +} +void +PacketSocketAddress::SetPhysicalAddress (const Address address) +{ + m_address = address; +} + +uint16_t +PacketSocketAddress::GetProtocol (void) const +{ + return m_protocol; +} +uint32_t +PacketSocketAddress::GetDevice (void) const +{ + return m_device; +} +Address +PacketSocketAddress::GetPhysicalAddress (void) const +{ + return m_address; +} + +Address +PacketSocketAddress::ConvertTo (void) const +{ + Address address; + uint8_t buffer[Address::MAX_SIZE]; + buffer[0] = m_protocol & 0xff; + buffer[1] = (m_protocol >> 8) & 0xff; + buffer[2] = (m_device >> 24) & 0xff; + buffer[3] = (m_device >> 16) & 0xff; + buffer[4] = (m_device >> 8) & 0xff; + buffer[5] = (m_device >> 0) & 0xff; + m_address.CopyAllTo (buffer + 6, Address::MAX_SIZE - 6); + return Address (GetType (), buffer, GetSize ()); +} +PacketSocketAddress +PacketSocketAddress::ConvertFrom (const Address &address) +{ + NS_ASSERT (IsMatchingType (address)); + uint8_t buffer[Address::MAX_SIZE]; + address.CopyTo (buffer); + uint16_t protocol = buffer[0] | (buffer[1] << 8); + uint32_t device = 0; + device |= buffer[2]; + device <<= 8; + device |= buffer[3]; + device <<= 8; + device |= buffer[4]; + device <<= 8; + device |= buffer[5]; + Address physical; + physical.CopyAllFrom (buffer + 6, Address::MAX_SIZE - 6); + PacketSocketAddress ad; + ad.SetProtocol (protocol); + ad.SetDevice (device); + ad.SetPhysicalAddress (physical); + return ad; +} +bool +PacketSocketAddress::IsMatchingType (const Address &address) +{ + return address.CheckCompatible (GetType (), GetSize ()); +} +uint8_t +PacketSocketAddress::GetType (void) +{ + static uint8_t type = Address::Register (); + return type; +} +uint8_t +PacketSocketAddress::GetSize (void) +{ + return 2 + sizeof (NetDevice *) + 1 + 1 + 8; +} + +} // namespace ns3 diff --git a/src/node/packet-socket-address.h b/src/node/packet-socket-address.h new file mode 100644 index 000000000..5e8265b4d --- /dev/null +++ b/src/node/packet-socket-address.h @@ -0,0 +1,71 @@ +/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */ +/* + * Copyright (c) 2007 INRIA + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation; + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * Author: Mathieu Lacage + */ +#ifndef PACKET_SOCKET_ADDRESS_H +#define PACKET_SOCKET_ADDRESS_H + +#include "address.h" +#include "eui48-address.h" +#include "eui64-address.h" + +namespace ns3 { + +class NetDevice; + +class PacketSocketAddress +{ + public: + PacketSocketAddress (); + void SetProtocol (uint16_t protocol); + void SetDevice (uint32_t index); + void SetPhysicalAddress (const Address address); + + uint16_t GetProtocol (void) const; + uint32_t GetDevice (void) const; + Address GetPhysicalAddress (void) const; + + /** + * \returns a new Address instance + * + * Convert an instance of this class to a polymorphic Address instance. + */ + Address ConvertTo (void) const; + /** + * \param address a polymorphic address + * + * Convert a polymorphic address to an Eui48Address instance. + * The conversion performs a type check. + */ + static PacketSocketAddress ConvertFrom (const Address &address); + /** + * \returns true if the address matches, false otherwise. + */ + static bool IsMatchingType (const Address &address); + private: + static uint8_t GetType (void); + static uint8_t GetSize (void); + uint16_t m_protocol; + uint32_t m_device; + Address m_address; +}; + + +} // namespace ns3 + +#endif /* PACKET_SOCKET_ADDRESS_H */